| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Daniele Varrazzo <daniele(dot)varrazzo(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #5469: regexp_matches() has poor behaviour and more poor documentation |
| Date: | 2010-05-30 03:45:45 |
| Message-ID: | AANLkTimN3m-TUfJjTwSQE-00G7vvHPdvYlLAcApuAZWW@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Sat, May 29, 2010 at 5:00 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> I have updated the patch, attached, to clarify that this returns text
> arrays, and that you can force it to always return one row using
> COALESCE() and a '|' pattern (the later suggested by Daniele Varrazzo).
I don't find this part to be something we should include in the
documentation. If we want to include a workaround, how about defining
a non-SRF that just calls the SRF and returns the first row?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company
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